Portable speaker



FIG. 1 is a perspective view of a portable speaker in an expanded state, showing our new design.

FIG. 2 is a front view thereof.

FIG. 3 is a right view thereof.

FIG. 4 is a back view thereof.

FIG. 5 is a left view thereof.

FIG. 6 is a top view thereof.

FIG. 7 is a bottom view thereof.

FIG. 8 is a perspective view of a portable speaker in a collapsed state, showing our new design.

FIG. 9 is a front view thereof.

FIG. 10 is a right view thereof.

FIG. 11 is a back view thereof.

FIG. 12 is a left view thereof.

FIG. 13 is a top view thereof; and,

FIG. 14 is a bottom view thereof.

The broken lines in the drawings depict portions of the portable speaker that form no part of the claimed design. 

CLAIM The ornamental design for a portable speaker, as shown and described. 